Submission #1130671

#	Time	Username	Problem	Language	Result	Execution time	Memory
1130671		CrabCNH	Candies (JOI18_candies)	C++20	Compilation error	0 ms	0 KiB

candies

#include <bits/stdc++.h>

#define task   "BriantheCrab"

#define int    long long
#define pii    pair <int, int>
#define fi     first
#define se     second
#define szf    sizeof
#define sz(s)  (int)((s).size())

using namespace std;

template <class T> void mini (T &t, T f) {if (t > f) t = f;}
template <class T> void maxi (T &t, T f) {if (t < f) t = f;}

const int maxN = 1e5 + 5;
const int inf = 1e9 + 7;
const int mod = 1e9 + 7;

int n;
int a[maxN];

namespace sub1 {
    int dp[2001][2001]; // max val at the i-th place and choose j 
    
    void sol () {
        for (int i = 1; i <= n; i ++) {
            for (int j = 0; j <= (i + 1) / 2; j ++) {
                if (j == 0) {
                    dp[i][j] = max (dp[i - 1][j], 0);
                }
                else {
                    dp[i][j] = max (dp[i - 1][j], dp[i - 2][j - 1] + a[i]);
                }
            }
        }    
        for (int i = 1; i <= (n + 1) / 2; i ++) {
            cout << dp[n][i] << '\n';
        }
    }
}

void Solve () {    
    cin >> n;
    for (int i = 1; i <= n; i ++) {
        cin >> a[i];
    }
    sub1 :: sol ();
}

signed main () {
    cin.tie (nullptr) -> sync_with_stdio (false);
    if (fopen (task".inp", "r")) {
        freopen (task".inp", "r", stdin);
        freopen (task".out", "w", stdout);
    }
    int t = 1;
    //cin >> t;
    while (t --) {
        Solve ();
    } 
    return 0;
}
// Belligerent :)

Compilation message (stderr)

candies.cpp: In function 'void sub1::sol()':
candies.cpp:31:36: error: no matching function for call to 'max(long long int&, int)'
   31 |                     dp[i][j] = max (dp[i - 1][j], 0);
      |                                ~~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from candies.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/11/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
candies.cpp:31:36: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   31 |                     dp[i][j] = max (dp[i - 1][j], 0);
      |                                ~~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from candies.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
candies.cpp:31:36: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   31 |                     dp[i][j] = max (dp[i - 1][j], 0);
      |                                ~~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from candies.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3461:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3461 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3461:5: note:   template argument deduction/substitution failed:
candies.cpp:31:36: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   31 |                     dp[i][j] = max (dp[i - 1][j], 0);
      |                                ~~~~^~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:52,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from candies.cpp:1:
/usr/include/c++/11/bits/stl_algo.h:3467:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3467 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/11/bits/stl_algo.h:3467:5: note:   template argument deduction/substitution failed:
candies.cpp:31:36: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   31 |                     dp[i][j] = max (dp[i - 1][j], 0);
      |                                ~~~~^~~~~~~~~~~~~~~~~
candies.cpp: In function 'int main()':
candies.cpp:55:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |         freopen (task".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
candies.cpp:56:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |         freopen (task".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~